Galileo infrared imaging spectroscopy measurements at Venus
Science
By: R. W. Carlson, K. H. Baines, Th. Encrenaz, F. W. Taylor, P. Drossart, L.W. Kamp, James B. Pollack, E. Lellouch, A.D. Collard, S.B. Calcutt, D. Grinspoon, P.R. Weissman, W. D. Smythe, A.C. Ocampo, G. E. Danielson, F. P. Fanale, T. V. Johnson, H. H. Kieffer, D. L. Matson, T. B. McCord, and L.A. Soderblom
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Abstract
During the 1990 Galileo Venus flyby, the Near Infrared Mapping Spectrometer investigated the night-side atmosphere of Venus in the spectral range 0.7 to 5.2 micrometers. Multispectral images at high spatial resolution indicate substantial cloud opacity variations in the lower cloud levels, centered at 50 kilometers altitude. Zonal and meridional winds were derived for this level and are consistent with motion of the upper branch of a Hadley cell. Northern and southern hemisphere clouds appear to be markedly different. Spectral profiles were used to derive lower atmosphere abundances of water vapor and other species.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Galileo infrared imaging spectroscopy measurements at Venus |
| Series title | Science |
| DOI | 10.1126/science.253.5027.1541 |
| Volume | 253 |
| Issue | 5027 |
| Year Published | 1991 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 8 p. |
| First page | 1541 |
| Last page | 1548 |